Chefs and dancers are both exciting careers. Chefs work in a small kitchen area moving quickly, while dancers work on large stages, moving around as well. Both careers face pressure from performing for an audience: Dancers move in front of crowds of people, and the food that chefs prepare is judged by people who eat in their restaurants. What does the signal word “while” tell the reader?

Dancers and chefs both face the pressure of having to perform.
Dancers differ from chefs in their work environments.
Chefs are judged by crowds of people just as dancers are.
Dancers differ from chefs in the skills required for each job.